CN203414586U - Rack for supporting test instrument of field check electric energy meter - Google Patents

Abstract

The utility model discloses a stand for supporting a tester for on-site calibration of an electric energy meter, comprising a tray for placing the tester and a frame for supporting the tray, the tray and the frame Body is detachable connection. The bench of the utility model for supporting the tester of the on-site calibration electric energy meter has the following beneficial effects: it can firmly support the tester, reduce the distance between the tester and the electric energy meter, and make the test line on the tester and the electric energy meter The test junction box of the electric energy meter is connected smoothly, which improves the work efficiency and ensures the safety of the on-site calibration staff.

Description

Bench used to support the tester for on-site calibration of electric energy meters

technical field

The utility model relates to a tool for supporting a tester used in the field of power supply and power distribution, in particular to a stand for supporting a tester for on-site calibration of an electric energy meter.

Background technique

During the use of electric energy meters, regular calibration or testing is often required to ensure the accuracy of its measurement. Some watt-hour meters are installed in a relatively high position, and the length of the test line carried on the tester for calibration is fixed. In the on-site calibration, the length of the test line is insufficient and cannot reach the test junction box of the watt-hour meter. Wiring problem. In addition, the support plates of some van-type substations are relatively narrow. After placing the tester, personnel are required to support them during the test, otherwise it is difficult to carry out work, and there are potential safety hazards.

Utility model content

In view of the above-mentioned defects in the prior art, the problem to be solved by this utility model is to provide a bench for supporting a tester for on-site calibration of an electric energy meter, so as to reduce the distance between the tester and the electric energy meter so that it can be connected smoothly And can firmly carry the tester.

In order to solve the above problems, the utility model provides a stand for supporting a tester for on-site calibration of an electric energy meter, including a tray for placing the tester and a frame for supporting the tray, the tray and The frame body is detachably connected.

Preferably, the frame body includes four supporting legs and a supporting plate arranged on the top of the supporting legs, a plurality of clamping columns are arranged on the upper surface of the supporting plate, Multiple card holes corresponding to the column.

Preferably, the clamping column includes a connection portion connected to the support plate and a clamping portion arranged at the top end of the connection portion, and in a direction parallel to the plane where the support plate is located, the size of the clamping portion greater than the size of the connecting portion; each of the clamping holes includes a communicating through hole and a clamping hole, wherein, in a direction parallel to the plane where the support plate is located, the size of the through hole is larger than The size of the clamping part, the size of the clamping hole is larger than the size of the connecting part but smaller than the size of the clamping part, and the size of the intersection of the penetration hole and the clamping hole is also larger than that of the connecting part Dimensions: The direction from the fastening hole to the through hole is defined as the length direction of the fastening hole, and the length directions of multiple fastening holes are the same.

Preferably, the support plate includes a left support plate and a right support plate connected by hinge rotation, and the four support legs include a first support leg and a second support leg connected with the left support plate and connected with the right support plate. The third support leg and the fourth support leg connected by the plate; the first support leg and the fourth support leg on the same side of the support plate are respectively hinged with a first connecting rod and a second connecting rod, and the first connecting rod and the fourth supporting leg are hinged respectively. The other end of the second connecting rod is hinged to each other; a third connecting rod and a fourth connecting rod are respectively hinged between the second supporting leg and the third supporting leg, and the third connecting rod and the fourth connecting rod are hinged to each other; And when the support plate is in the open state, the first connecting rod and the second connecting rod as well as the third connecting rod and the fourth connecting rod are all in a horizontal position.

Preferably, when the support plate is in an open state, the included angle between the support legs and the horizontal plane is 80 degrees.

Preferably, the lower ends of the supporting legs are provided with anti-skid pads.

Preferably, a shroud is provided on the edge of the tray, and a gap is left in the shroud.

Preferably, the tray and the frame are made of aluminum alloy.

The bench of the utility model for supporting the tester of the on-site calibration electric energy meter has the following beneficial effects:

(1) It can firmly support the tester, reduce the distance between the tester and the electric energy meter, and make the test line on the tester and the test junction box of the electric energy meter smoothly connected, which improves the work efficiency and ensures the on-site calibration Staff safety.

(2) The detachable connection structure between the tray and the frame can remove the tray, which is easy to carry and use.

(3) The frame body is a foldable structure, which can further reduce the occupied space of the frame body after folding, making it more convenient to carry and use.

Description of drawings

Fig. 1 is a schematic structural view of a bench for supporting a tester for on-site calibration of an electric energy meter according to Embodiment 1 of the present invention.

FIG. 2 is a schematic structural view of the frame body of the bench used to support the tester for on-site calibration of the electric energy meter shown in FIG. 1 .

FIG. 3 is a schematic structural view of the post on the frame shown in FIG. 2 .

FIG. 4 is a schematic structural view of the clamping holes on the tray of the stand shown in FIG. 1 .

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

As shown in Figures 1 and 2, the bench for supporting the tester of the on-site calibration electric energy meter in this embodiment includes a tray 1 for placing the tester and a frame body 2 for supporting the tray 1, The tray 1 is detachably connected to the frame body 2 . As shown in Figures 1 and 2, in this embodiment, the frame body 2 includes four supporting legs and a supporting plate 10 arranged at the top of the supporting legs, and the upper surface of the supporting plate 10 is provided with four clamping posts 3, and the tray The bottom surface 18 of 1 is provided with four clamping holes 6 respectively corresponding to the clamping posts 3 . Obviously, the clamping holes 6 are all through holes. In this embodiment, the tray 1 and the support plate 10 are detachably connected through the clamping post 3 and the clamping hole 6 (the specific connection structure will be described below). In fact, those skilled in the art can also use other methods to realize the detachable connection. , such as using elastic clips to clamp, and for example, setting corresponding connection holes on the tray 1 and the support plate 10 at the same time, and then using positioning pins to fix them, which will not be listed here. The number of clamping columns 3 can be set according to actual needs, but it is best to set them symmetrically on the support plate 10 so as to make the tray 1 relatively stable.

The stand of the tester used to support the on-site calibration electric energy meter of the present embodiment improves the height of the tester through the frame body 2 of a certain height, reduces the distance between the tester and the electric energy meter, and makes the tester stand The test line of the electric energy meter is smoothly connected with the test junction box of the electric energy meter, which improves the work efficiency. By setting the tray 1, the tester can be firmly supported, and the safety of the on-site calibration staff is also guaranteed. The detachable connection structure between the tray 1 and the frame body 2, the tray 1 can be removed, easy to carry and use

As shown in FIG. 3 , in this embodiment, the post 3 includes a connecting portion 31 connected to the support plate 10 (including the left support plate 11 or the right support plate 12 ) and is arranged on the top of the connecting portion 31 and has a size larger than the connecting portion 31. The holding part 32. The shapes of the connecting portion 31 and the clamping portion 32 are not limited, and in this embodiment, they are both cylindrical. Since the post is relatively small, it is simply shown as a small circle in Fig. 2 .

As shown in FIG. 4 , each clamping hole 6 includes a communicating through hole 61 and a clamping hole 62 respectively, wherein the size of the through hole 61 is larger than the size of the clamping portion 32 (the sizes referred to herein refer to The size in the direction parallel to the plane where the support plate 10 is located), the size of the locking hole 62 is slightly larger than the size of the connecting portion 31 but smaller than the size of the locking portion 32, the intersection of the through hole 61 and the locking hole 62 The size is also slightly larger than that of the connecting portion 31 . If the direction from the locking hole 62 to the through hole 61 is defined as the length direction of the locking hole 6, the length directions of the four locking holes 6 in this embodiment are the same, and the meaning of the same length direction of the locking holes 6 is One of the clamping holes 6 is translated for a certain distance on the bottom surface 18 of the tray 1 , that is, coincides with the other clamping hole 6 , so as to ensure synchronous connection between multiple clamping holes 6 and the clamping posts 3 . When connecting, the tray 1 is placed on the support plate 10, the clamping portion 32 of the clamping column 3 corresponds to the penetration hole 61, thereby passing through the bottom surface 18 of the tray 1, and then the tray 1 is moved in the same direction to make the clamping column The connecting part 31 of the clamping column 3 moves into the clamping hole 62 , and the clamping part 32 of the clamping post 3 is located above the clamping hole 62 and abuts against the bottom surface 18 , thereby realizing the connection between the tray 1 and the support plate 10 . The clamping post 3 and the clamping hole 6 used in this embodiment engage with each other, which can realize the quick disassembly between the tray 1 and the frame body 2. When not in use, the tray 1 can be removed, which is convenient for carrying and use.

As shown in Figure 2, in the present embodiment, the support plate 10 includes a left support plate 11 and a right support plate 12 that are rotatably connected by a hinge 7, and the four support legs include a first support leg 21 and a first support leg 21 connected with the left support plate 11. The second support leg 22 and the third support leg 23 and the fourth support leg 24 connected with the right support plate 12; the first support leg 21 and the fourth support leg 24 on the same side of the support plate 10 are respectively hinged with a first connecting rod 81 and the second connecting rod 82, the other ends of the first connecting rod 81 and the second connecting rod 82 are hinged to each other; the third connecting rod 83 and the fourth connecting rod 83 are respectively hinged between the second supporting leg 22 and the third supporting leg 23 Rod 84, the third connecting rod 83 and the fourth connecting rod 84 are hinged to each other; in a horizontal position. Figure 2 shows the open state of the frame body 2. At this time, the support plate 10 is on the same plane. When it needs to be folded up, the left support plate 11 and the right support plate 12 are folded upwards respectively, so that the two are in a joint position after being folded. state, the first connecting rod 81 and the second connecting rod 82 rotate until they overlap each other, so that the first supporting leg 21 and the fourth supporting leg 24 fit each other, while the third connecting rod 83 and the fourth connecting rod 84 mutually Rotate until they overlap each other, so that the second support leg 22 and the third support leg 23 fit each other, so that the space occupied by the folded frame body 2 is reduced. The frame body 2 is a foldable structure, which can further reduce the occupied space of the frame body 2 and is more convenient to carry and use.

As shown in Figure 2, when the support plate 10 is in the open state, the angle α between any support leg and the horizontal plane is 80 degrees. Of course, the angle α can be adjusted within plus or minus 5 degrees, but it is necessary to ensure that all The included angles α between the supporting legs and the horizontal plane are all equal. Thereby ensure that the support plate 10 at its upper end is in a horizontal state. In order to ensure the stability in the open state and increase the frictional force with the ground, an anti-skid pad 9 is provided at the lower end of each supporting leg.

As shown in Figure 1, the edge of the tray 1 is provided with a shroud 17, and the shroud 17 is arranged around the circumference of the tray 1, but the shroud 17 has a gap, which is for putting into the tester (not shown in the figure) And set, coaming plate 17 can play the effect that prevents tester from slipping.

In order to reduce the overall weight of the bench used to support the tester for on-site calibration of electric energy meters, as a preference, in this embodiment, the material of the tray 1 and the frame body 2 are aluminum alloy.

Certainly, what is described above is the preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present utility model. And retouching are also regarded as the scope of protection of the present utility model.

Claims (9)

1. for supporting the stand of the test instrument of field-checking electric energy meter, it is characterized in that, comprise for placing the pallet of described test instrument and for supporting the support body of described pallet, described pallet and described support body are for removably connecting.

2. as claimed in claim 1 for supporting the stand of the test instrument of field-checking electric energy meter, it is characterized in that, described support body comprises four supporting legs and is arranged at the back up pad on described supporting leg top, described support plate upper surface is provided with a plurality of card columns, and the bottom surface of described pallet is provided with corresponding with described card column respectively a plurality of hole clippings.

3. as claimed in claim 2 for supporting the stand of the test instrument of field-checking electric energy meter, it is characterized in that, described card column comprises the connecting portion being connected with described back up pad and is arranged at the holding section on connecting portion top, and in the direction of plane that is parallel to described back up pad place, the size of described holding section is greater than the size of described connecting portion;

Described in each, hole clipping comprises respectively through hole and the blocked hole communicating, wherein, in the direction of plane that is parallel to described back up pad place, the size of described through hole is greater than the size of described holding section, the size of described blocked hole is greater than the size of described connecting portion but is less than holding section size, and the size of the intersection of described through hole and blocked hole is also greater than the size of described connecting portion;

The length direction that is defined as described hole clipping with the direction from blocked hole to described through hole, the length direction of a plurality of described hole clippings is identical.

4. as claimed in claim 2 or claim 3 for supporting the stand of the test instrument of field-checking electric energy meter, it is characterized in that, described back up pad comprises left support plate and the right support plate being rotationally connected by hinge, and described four supporting legs comprise the first supporting leg and the second supporting leg and the 3rd supporting leg being connected with described right support plate and the 4th supporting leg being connected with left support plate;

The first supporting leg and the 4th supporting leg that are positioned at described back up pad the same side are hinged with respectively head rod and the second connecting link, and the other end of described head rod and the second connecting link is hinged; Between described the second supporting leg and the 3rd supporting leg, be hinged with respectively the 3rd connecting link and the 4th connecting link, described the 3rd connecting link and the 4th connecting link are hinged; And when described back up pad is during in open mode, described head rod and the second connecting link and the 3rd connecting link and the 4th connecting link are all horizontal.

5. as claimed in claim 4ly for supporting the stand of the test instrument of field-checking electric energy meter, it is characterized in that, under the state in described back up pad in opening, the angle of described supporting leg and surface level is 80 degree.

6. as claimed in claim 2 or claim 3 for supporting the stand of the test instrument of field-checking electric energy meter, it is characterized in that, the lower end of described supporting leg is provided with slipmat.

As described in claim 1-3 any one for supporting the stand of the test instrument of field-checking electric energy meter, it is characterized in that, the edge of described pallet is provided with coaming plate, and described coaming plate leaving certain gaps uncovered by the economic plan.

8. as claimed in claim 4ly for supporting the stand of the test instrument of field-checking electric energy meter, it is characterized in that, the edge of described pallet is provided with coaming plate, and described coaming plate leaving certain gaps uncovered by the economic plan.

As described in claim 1-3 any one for supporting the stand of the test instrument of field-checking electric energy meter, it is characterized in that, the material of described pallet and support body is aluminium alloy.

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